Find sum of n terms of series `3/((1^2).(2^2))+5/((2^2).(3^2))+7/((3^2).(4^2))+....`

Find the sum to n terms of the series: 3/(1^2 .2^2)+5/(2^2 .3^2)+7/(3^2 .4^2)+......

Find the sum of first n terms of the series 3/(1^(2).2^(2))+5/(2^(2).3^(2))+7/(3^(2).4^(2))+.......+ and deduce the sum of infinity .

Find the sum to n terms of the series: (3)/(1^(2).2^(2))+(5)/(2^(2).3^(2))+(7)/(3^(2).4^(2))+

Find the sum to n terms of the series 3/(1^(2)xx2^(2))+5/(2^(2)xx3^(2))+7/(3^(2)xx4^(2))+

Finds the sum of first n terms of the series 3/(1^2xx2^2)+5/(2^2xx3^2)+7/(3^2xx4^2)+...... and hence deduce the sum of infinity.

Find the sum to n terms of the series 3//(1^(2) xx2^(2))+5//(2^(2)xx3^(2))+7//(3^(2)xx4^(2))+ cdots .

Find the sum to n terms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(3^2xx4^2)+dot

Find the sum to n terms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(3^2xx4^2)+dot

Find the sum to n terms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(3^2xx4^2)+dot